1 Put the straw­ber­ries, lime juice and 125ml (1/2 cup) of the gin­ger ale in a blender or food pro­ces­sor. Cover and process un­til smooth. Strain, if de­sired. 2 Trans­fer the straw­berry mix­ture to a large jug. Slowly pour in the re­main­ing gin­ger ale. Stir gen­tly.